better app initialization with bangs

app/lib/features/search_browser/domain/services/session.dart

@@ -44,10 +44,6 @@ class SessionService extends _$SessionService {
     await webViewLoaded.future.whenComplete(() => headlessWebView..dispose());
   }
 
-  void initializationDone() {
-    state = true;
-  }
-
   @override
-  bool build() => false;
+  void build() {}
 }

app/lib/features/search_browser/domain/services/session.g.dart

@@ -6,12 +6,12 @@ part of 'session.dart';
 // RiverpodGenerator
 // **************************************************************************
 
-String _$sessionServiceHash() => r'48126bad2cb8d5c38296307bede64bf549365acf';
+String _$sessionServiceHash() => r'fd2cd03bbf2dd254bb19e541c71a6fb249f5a7bb';
 
 /// See also [SessionService].
 @ProviderFor(SessionService)
 final sessionServiceProvider =
-    AutoDisposeNotifierProvider<SessionService, bool>.internal(
+    AutoDisposeNotifierProvider<SessionService, void>.internal(
   SessionService.new,
   name: r'sessionServiceProvider',
   debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
@@ -21,6 +21,6 @@ final sessionServiceProvider =
   allTransitiveDependencies: null,
 );
 
-typedef _$SessionService = AutoDisposeNotifier<bool>;
+typedef _$SessionService = AutoDisposeNotifier<void>;
 // ignore_for_file: type=lint
 // ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member